package com.xiepei.day02;

public class Test01 {
     public static void main(String[] args) {


         Test01 test01 = new Test01();

         test01.test01();
         System.out.println(test01.test02());
         test01.test03();
         Test01.test04();

         String name = test01.test05("谢培");
         System.out.println(name);
     }
     public void test01(){
         System.out.println("hello world");
     }

     int test02(){
         int a = 10;
         return a;
     }

     void test03(){
         System.out.println("早点睡觉 2025 10 13 0：18");
     }

     static void test04(){
         System.out.println("马上睡觉");
     }

     public String test05(String a){
         return a;
     }
}
